[Bug middle-end/111743] shifts in bit field accesses don't combine with other shifts

[andi-gcc at firstfloor dot org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111743

--- Comment #2 from Andi Kleen <andi-gcc at firstfloor dot org> ---
Okay then it doesn't understand that SHL_signed and SHR_unsigned can be
combined when one the values came from a shorter unsigned.